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Formated system and want to reactivate nitropro on new system


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Hi there,

So I formated the system and I want to install and activate nitro pro on my new system. I purchased license of pro 11. So I downloaded and try to activate pro 11 but it gave -24 error. After trying for some time, I found out that I need to deactivate the license at https://licenses.gonitro.com/prd/portal . So I tried clicking on deactivate button but that didn't work because it says Please select device to deactivate. Now on that page it shows that my version is 12. I don't know why it shows 12 because I purchased license for the version 11. 

Anyway, so I tried installing version 12 and on activation it gave version mismatch error -22. Now I don't understand what to do? Which version do I need to install and how activate the product? Here is the screenshot with details for my activation license. (license key cropped) Please guide.


Version 12
Status Active
Number of Activations 0
Number of Activations Allowed 2


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  • Official Nitronaut
Leslie V

Hello Varsha,

Thanks for reaching out to us! I am happy to assist you.

Please note that we no longer support Nitro Pro 11 and its activation servers have been shut down.

We recommend to upgrade to our latest version, V13, which comes with significant stability and security improvements, as well as many feature enhancements, in particular in conversion and OCR functions. To upgrade to Nitro Pro 13, please visit our upgrade page: 
Alternatively, you can upgrade to the latest build of Nitro Pro 12. Per our Sunset Policy, https://www.gonitro.com/nps/product-details/sunset-policy, we have stopped making feature enhancements to version 12 once we released version 13. You can find Nitro Pro 12 installer from the page below and activate it with your current Nitro Pro 11 serial number. 

Please let us know if you need any further assistance.

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